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+(* -*- coq-prog-args: ("-noinit"); -*- *)
+Require Import Coq.Init.Notations.
+
+Notation "x -> y" := (forall _ : x, y).
+
+Inductive eq {A:Type} (a:A) : A -> Prop := eq_refl : eq a a.
+
+Set Universe Polymorphism.
+Set Polymorphic Inductive Cumulativity.
+Set Printing Universes.
+
+(* Constructors for an inductive with indices *)
+Module WithIndex.
+  Inductive foo@{i} : (Prop -> Prop) -> Prop := mkfoo: foo (fun x => x).
+
+  Monomorphic Universes i j.
+  Monomorphic Constraint i < j.
+  Definition bar : eq mkfoo@{i} mkfoo@{j} := eq_refl _.
+End WithIndex.